Managing database performance SLA’s with quality of service

A guy walks into the showroom of a Porsche dealer. He wants to buy a new set of hot wheels. The sales guy tells him about the latest technology in sports car design. This year’s model has active 4-wheel drive traction control, a very powerful engine (over 500 horsepower) with direct fuel injection, semi-automatic dual-clutch with seven speeds, and the whole car is weight-balanced to offer the best handling and cornering speeds. At the same time, carbon emissions per kilometer are the lowest in years and the car actually has green labels, so at least you can make yourself believe that it does not ruin the environment too much ;-)


“Great,” says the customer. “What’s the acceleration and top speed?”

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